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or high-efficiency gas furnace
Integrated Troubleshooting: Supports efficient status monitoring during calls for heat
Constructed to OEM specifications to maintain the original certification and safety operation of the heating appliance
brazed integration for long-term reliability
Designed with a Permanent Split Capacitor (PSC) and shaded pole architectural compatibility
Lennox 42J05 Limit Switch 320074-702 or high-efficiency gas furnaceMaintain precise thermal regulation in your commercial or residential equipment with the Lennox 42J05 Limit Switch. This genuine OEM Lennox 42J05 component is a fixed temperature limit switch designed to protect the system by interrupting the circuit when the temperature reaches the 170F threshold. Engineered with an auto reset feature (L170 40F), it restores operation once the temperature drops below the differential, typically around 130F, ensuring
